Table 2

Classification of underlying or associated causes of blindness and low vision (adapted from the WHO Prevention of Blindness Committee eye examination record14)

I. Anatomical
classification		II. Aetiological
classification2-150
CorneaPrenatal
LensPerinatal
RetinaChildhood
Optic nerveUnclassified2-151
Glaucoma
Other

  • ↵2-150 According to timing of insult resulting in ocular or vision disorder.

  • ↵2-151 If an aetiological category cannot be definitely assigned or determined.